Wernars later made his senior debut in March 2010 for Western Province in a List A match against Easterns in the 2009/10 CSA Provincial One-Day Competition, with him making a further appearance in that season's competition against Boland.[6] It was in that season that he also made his debut in first-class cricket against Boland at Newlands in the 2009/10 CSA Provincial Three-Day Competition.[7] The following season he made a further first-class appearance for Western Province against KwaZulu-Natal in the 2010/11 CSA Provincial Three-Day Competition.[7] He also made ten List A appearances during the 2010/11 CSA Provincial One-Day Competition, with his final appearance in that format for Western Province coming against KwaZulu-Natal at Kingsmead.[6] He took 7 wickets during the competition, 6 of which came against Gauteng, where he took figures of 6/27.[8]